Modalsli, Jørgen Heibø; Vosters, Kelly - 2019
measurement, and it has become standard practice to construct income measures to mitigate these. However, remaining bias can lead … literature. We show with theory and simulations that even using a 30-year income average can result in a small positive spurious … grandfather coefficient estimate. We further propose an IV approach, showing that it is not susceptible to this spillover bias in …
